4. A production of 20 fuses is received by the store. It is known that 4 of the fuses are defective. The quality control engineer randomly selected three of the fuses from the production run. Find the probability that two of the fuses selected are defective.

Q: 4s +5 S -4

A:

Q: Solve the proportion. X-4 6 8

A:

Q: Find the complement of the set given that U = {x | x I and −3 ≤ x ≤ 7}. (Enter your answers as a…

A: First we write U in roster form.

Q: -2- 4- 3 10

A:

Q: Consider F(x) = = F(0) = 0 F'(3) = 6 F'(1) = 0 O F'(4) = 10 F'(2) = 2 I tf(t) tf(t) dt. Which of the…

A:

Q: 5 3 + s2-8 s2+ 3.

A:

Q: graph shows the relationship between the volume of the dilated box and the scale factor. diusuon 5.…

A:

Q: Simplify. (3 + 2x)(3-2x) 0 9+ 4x 09-4x² O 3-4x O9-4x

A:

Q: -11/6+3/4

A:

Q: (4x)2

A: To evaluate(4x)2

Q: -5 -2 1

A:

Q: 9x4 y4  x  x2  y2

A: Given:  9x4y4 × x2y2

Q: 2. -ў — 2у %3D 6

A: answer is in next step

Q: 7w/4 + 5 = 3w/10 + 1

A: To find the value of w satisfying the given equation

Q: 2/21 + -2/9.

A: 221+−29

Q: 4a5b• V18a3b6

A: We have to find

Q: 1) 6dx 3/3

A: ∫33361+x2dx=6∫33311+x2dx=6tan-1x333=6tan-13-tan-133=6tan-13-tan-113=6π3-π6=2π-π=π

Q: 11 –/7

A:

Q: -5/9 + 1/2

A: The given expression is

Q: On the figure below, sketch the graph of a functionf that satisfies: • f is continuous, • lim f(z) =…

A: For continuous function there must be no discontinuity.  Since, the limit at infinity is 2 so y=2 is…

Q: y +y - 2y = 0

A: Here we have to solve , the given differential equation  y"+y'-2y=0 ...........(1)

Q: -5 4 -2 -7 -8 2.

A:

Q: 6 1/6 + 6

A:

Q: b. V3x -11= x+1 ,2

A: Solving on graph

Q: 8 15 2 15

A: 8/15 -2/15 here simple substraction given and fraction is given  calculation is given inbelow

Q: Two and two

A: Given:   Two and two

Q: 4 3 2 1 2 3

A: In this question we have to find the range of the graph given in the question.

Q: What is the class mark for a class interval of 19.50—22.50?

A:

Q: 5+3.2n-6-4.8n

A: